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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KO3A callsign genealogy

Currently held by WERNER, WINTON W

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by KO3A's current licensee, walking backwards.

  1. K3ZAXactive· G
    White, Stephen JMDgranted 2023-09-12
  2. KC3ZAXcancelled· G
    White, Stephen JMDgranted 2022-05-06cancelled 2023-09-12
  3. KC3TYLcancelled· T
    White, Stephen JMDgranted 2022-04-12cancelled 2022-05-06

Successor callsigns

Callsigns held now by people who previously held KO3A.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KO3A, oldest first.

  • WERNER, WINTON W MD
    1988-02-23 → cancelled 2000-02-24
  • BOCA, RANKO CT
    2024-10-19 active
← Back to KO3A License history →